A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6645-00-226-0657
NSN 5975-00-404-7476
NSN 5915-00-215-2721
NSN 5945-01-657-7282
NSN 5905-01-363-0629
NSN 5998-01-555-7859
NSN 6110-00-583-9821
NSN 5895-00-081-3293
NSN 5920-01-324-8493
NSN 5945-01-437-6788
NSN 6105-01-321-2632
NSN 5855-00-482-9876